Re: [xsl] grouping

["Karthik Sulibhavi karthik.sulibhavi@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

I am getting interesting results running this requirement against a Gen-AI
(ChatGPT / Gemini) here.
Vibe-coding may help accelerate towards a solution.


On Fri, Jan 2, 2026 at 7:55b/PM G. Ken Holman g.ken.holman@xxxxxxxxx <
xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:

> At 02/01/2026 14:15 +0000, you wrote:
> >Hi Ken.
> >
> >On Fri, 2 Jan 2026 at 14:06, G. Ken Holman <mailto:g.ken.holman@xxxxxxxxx
> >g.ken.holman@xxxxxxxxx <<mailto:xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
> xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
> >You don't provide enough data to do any testing,
> >
> >All there are are more of the same?
>
> I understand it is all more of the same ... but I can't test a proposed
> solution to the problem without hand-creating a day's worth of data across
> two different days in order to test what I propose.
>
> >Dave, but I would approach this by using a function that converts the
> date and time elements into the dateTime value of the start of the 3-hour
> period.
> >Then you have a single string with which to group.
> >
> >
> >Yes, I can do that... except I want grouping at a substring of the merged
> datetime?
>
> I think you cannot use a substring but need to use the entire date/time
> string representing the starting minute of the three-hour period. Unless,
> of course, you are wanting to group all of the 0h-3h values across all
days.
>
> Perhaps I'm missing something.....
>
> --
> Contact info, blog, articles, etc. http://www.CraneSoftwrights.com/s/ |
> Check our site for free XML, XSLT, XSL-FO and UBL developer resources |
> Streaming hands-on XSLT/XPath 2 training class @US$50 (5 hours free!) |
> Essays (UBL, XML, etc.) http://www.linkedin.com/today/author/gkholman |